Ответы и объяснения

2013-02-28T18:35:03+04:00

sin^2 x-sin x=0  sin x(sin x-1)=0

|sin x=0      |sin x=0  |x=pik (k=0,1,2,3,4,...)

|sin x-1=0   |sin x=1  |x=pi/2+2pin (n=0,1,2,3,4,...)